ASCO Automatic Transfer Switch D300C3200N1C

Remove the transfer switch barriers

Reinstall the barriers carefully

Brush away excessive dust accumulation

Vacuum away excessive dust accumulation

Remove moisture with a clean cloth

Press and hold the door-mounted Transfer Test button until the engine starts and runs

Did the engine start and run within 15 seconds?

Check if the transfer switch operates to the Emergency position

If Transfer To Emergency Delay is used, wait for up to 5 minutes for the transfer

Press Bypass Time Delay button for immediate transfer to Emergency position

Check if the Transfer Switch operates back to the Normal position after the Retransfer To Normal Delay

If Retransfer To Normal Delay is used, wait for up to 30 minutes for the retransfer

Press Bypass Time Delay button for immediate retransfer to Normal position

Ensure Unloaded Running (Engine Cooldown) Delay allows engine to run unloaded for 5 minutes